128948655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{45971}}^1$

素因数の和:46007

約数の個数: 32

約数和(自身を含む): 238318848

約数和(自身を除く): 109370193

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 45971, 137913, 229855, 505681, 689565, 781507, 1517043, 2344521, 2528405, 3907535, 7585215, 8596577, 11722605, 25789731, 42982885, 128948655]

約数ペア:

[(1, 128948655), (3, 42982885), (5, 25789731), (11, 11722605), (15, 8596577), (17, 7585215), (33, 3907535), (51, 2528405), (55, 2344521), (85, 1517043), (165, 781507), (187, 689565), (255, 505681), (561, 229855), (935, 137913), (2805, 45971)]